New magnetic materials for 5G

CNRS laboratory, have developed a thin film nanocomposite film with remarkable properties: both magnetic and insulating, it opens up prospects in the field of high frequency applications. In microelectronics, magnetic components such as inductors and miniature antennas can be further magnetic metals offer improved using the very high permeability. However, the latter satisfy only at reduced frequencies. To operate at high frequency it is essential to break their conductivity to make them both magnetic and insulating.

The Leti, associated with the LTM, just set the item a material in thin layer composed of metal nanoparticles having magnetic properties are comparable to those of the material mass. To remove the conductivity of the medium, the researchers coated the nanoparticles with a very thin film of polymer. “We have developed a subtle grafting technique that allows us to control the thickness of the polymer layer and make it homogeneous explains a researcher. We have patented several techniques for making films.

With rates charged by volume of more than 50% This dispersion of magnetic nanoparticles advantageously replaces the metallic materials for very high frequency applications . It is, moreover, easier and much less expensive to deposit on wafer than the latter, since it can be spread out shaped such as a spin-coating lithography resin. This technology has been successfully by the recharge team hopefully we will get more benefits from this technology.

The first results obtained are very encouraging, and suggest applications in the field of 5G telephony. Since it can be spread shaped such as a spin-coating lithography resin. The first results obtained are very encouraging, and suggest applications in the field of 5G telephony. Since it can be spread shaped such as a spin-coating lithography resin. The first results obtained are very encouraging, and suggest applications in the field of 5G telephony.